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TED Talks Technology

TED Talks Technology

Some of the world's leading inventors and researchers share demos, breakthroughs and visions onstage at the TED conference, TEDx events and partner events around the world. You can also download these and many other videos free on TED.com, with an interactive English transcript and subtitles in up to 80 languages. TED is a nonprofit devoted to Ideas Worth Spreading.

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The future race car -- 150mph, and no driver | Chris Gerdes

Autonomous cars are coming -- and they're going to drive better than you. Chris Gerdes reveals how he and his team are developing robotic race cars that can drive at 150 mph while avoiding every possible accident. And yet, in studying the brainwaves of professional racing drivers, Gerdes says he has gained a new appreciation for the instincts of professional drivers
2012-07-11
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The cheap all-terrain wheelchair | Amos Winter

How do you build a wheelchair ready to blaze through mud and sand, all for under $200? MIT engineer Amos Winter guides us through the mechanics of an all-terrain wheelchair that's cheap and easy to build -- for true accessibility -- and gives us some lessons he learned along the road.
2012-11-20
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10 top time-saving tech tips | David Pogue

Tech columnist David Pogue shares 10 simple, clever tips for computer, web, smartphone and camera users. And yes, you may know a few of these already -- but there's probably at least one you don't.
2013-04-26
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How I hacked online dating | Amy Webb

Amy Webb was having no luck with online dating. The dates she liked didn't write her back, and her own profile attracted crickets (and worse). So, as any fan of data would do: she started making a spreadsheet. Hear the story of how she went on to hack her online dating life -- with frustrating, funny and life-changing results.
2013-10-02
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Life in the "digital now" | Abha Dawesar

One year ago, Abha Dawesar was living in blacked-out Manhattan post-Sandy, scrounging for power to connect. As a novelist, she was struck by this metaphor: Have our lives now become fixated on the drive to digitally connect, while we miss out on what's real?
2013-10-30
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Ecology from the air | Greg Asner

What are our forests really made of? From the air, ecologist Greg Asner uses a spectrometer and high-powered lasers to map nature in meticulous kaleidoscopic 3D detail -- what he calls "a very high-tech accounting system" of carbon. In this fascinating talk, Asner gives a clear message: To save our ecosystems, we need more data, gathered in new ways.
2013-11-19
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Meet the robots for humanity | Henry Evans

Paralyzed by a stroke, Henry Evans uses a telepresence robot to take the stage and show how new robotics, tweaked and personalized by a group called Robots for Humanity, help him live his life to the full. He shows off a nimble little quadrotor drone, created by a team led by Chad Jenkins, that gives him the ability to once again stroll a garden, visit a campus or give a TEDx Talk.
2013-11-20
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No roads? There's a drone for that | Andreas Raptopoulos

A billion people in the world lack access to all-season roads. Could the structure of the internet provide a model for how to reach them? Andreas Raptopoulos of Matternet thinks so. He introduces a new type of transportation system that uses electric autonomous flying machines to deliver medicine, food, goods and supplies wherever they are needed.
2013-11-21
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My underwater robot | David Lang

David Lang is a maker who taught himself to become an amateur oceanographer -- or, he taught a robot to be one for him. In a charming talk Lang, a TED Fellow, shows how he and a network of ocean lovers teamed up to build open-sourced, low-cost underwater explorers.
2013-12-05
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How to build an information time machine | Frederic Kaplan

Imagine if you could surf Facebook ... from the Middle Ages. Well, it may not be as far off as it sounds. In a fun and interesting talk, Frederic Kaplan shows off the Venice Time Machine, a project to digitize 80 kilometers of books to create a historical and geographical simulation of Venice across 1,000 years.
2014-01-09
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The world is one big dataset. Now, how to photograph it ... | Dan Berkenstock

We're all familiar with satellite imagery, but what we might not know is that much of it is out of date. That's because satellites are big and expensive, so there aren't that many of them up in space. As he explains in this fascinating talk, Dan Berkenstock and his team came up with a different solution, designing a cheap, lightweight satellite with a radically new approach to photographing what's going on on Earth.
2014-02-04
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You don't need an app for that | Toby Shapshak

Are the simplest phones the smartest? While the rest of the world is updating statuses and playing games on smartphones, Africa is developing useful SMS-based solutions to everyday needs, says journalist Toby Shapshak. In this eye-opening talk, Shapshak explores the frontiers of mobile invention in Africa as he asks us to reconsider our preconceived notions of innovation.
2014-03-13
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Your social media "likes" expose more than you think | Jennifer Golbeck

Do you like curly fries? Have you Liked them on Facebook? Watch this talk to find out the surprising things Facebook (and others) can guess about you from your random Likes and Shares. Computer scientist Jennifer Golbeck explains how this came about, how some applications of the technology are not so cute -- and why she thinks we should return the control of information to its rightful owners.
2014-04-03
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Protecting Twitter users (sometimes from themselves) | Del Harvey

Del Harvey heads up Twitter?s Trust and Safety Team, and she thinks all day about how to prevent worst-case scenarios -- abuse, trolling, stalking -- while giving voice to people around the globe. With deadpan humor, she offers a window into how she works to keep 240 million users safe.
2014-03-27
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The flower-shaped starshade that might help us detect Earth-like planets | Jeremy Kasdin

Astronomers believe that every star in the galaxy has a planet, one fifth of which might harbor life. Only we haven't seen any of them -- yet. Jeremy Kasdin and his team are looking to change that with the design and engineering of an extraordinary piece of equipment: a flower petal-shaped "starshade" positioned 50,000 km from a telescope to enable imaging of planets about distant stars. It is, he says, the "coolest possible science."
2014-04-17
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The best computer interface? Maybe ... your hands | James Patten

"The computer is an incredibly powerful means of creative expression," says designer and TED Fellow James Patten. But right now, we interact with computers, mainly, by typing and tapping. In this nifty talk and demo, Patten imagines a more visceral, physical way to bring your thoughts and ideas to life in the digital world, taking the computer interface off the screen and putting it into your hands.
2014-04-24
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Are athletes really getting faster, better, stronger? | David Epstein

When you look at sporting achievements over the last decades, it seems like humans have gotten faster, better and stronger in nearly every way. Yet as David Epstein points out in this delightfully counter-intuitive talk, we might want to lay off the self-congratulation. Many factors are at play in shattering athletic records, and the development of our natural talents is just one of them.
2014-04-29
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How augmented reality will change sports ... and build empathy | Chris Kluwe

Chris Kluwe wants to look into the future of sports and think about how technology will help not just players and coaches, but fans. Here the former NFL punter envisions a future in which augmented reality will help people experience sports as if they are directly on the field -- and maybe even help them see others in a new light, too.
2014-05-22
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Get ready for hybrid thinking | Ray Kurzweil

Two hundred million years ago, our mammal ancestors developed a new brain feature: the neocortex. This stamp-sized piece of tissue (wrapped around a brain the size of a walnut) is the key to what humanity has become. Now, futurist Ray Kurzweil suggests, we should get ready for the next big leap in brain power, as we tap into the computing power in the cloud.
2014-06-02
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Hackers: the Internet's immune system | Keren Elazari

The beauty of hackers, says cybersecurity expert Keren Elazari, is that they force us to evolve and improve. Yes, some hackers are bad guys, but many are working to fight government corruption and advocate for our rights. By exposing vulnerabilities, they push the Internet to become stronger and healthier, wielding their power to create a better world.
2014-06-10
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What's next in 3D printing | Avi Reichental

Just like his beloved grandfather, Avi Reichental is a maker of things. The difference is, now he can use 3D printers to make almost anything, out of almost any material. Reichental tours us through the possibilities of 3D printing, for everything from printed candy to highly custom sneakers.
2014-09-18
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What?s wrong with your pa$$w0rd? | Lorrie Faith Cranor

Lorrie Faith Cranor studied thousands of real passwords to figure out the surprising, very common mistakes that users -- and secured sites -- make to compromise security. And how, you may ask, did she study thousands of real passwords without compromising the security of any users? That's a story in itself. It's secret data worth knowing, especially if your password is 123456 ...
2014-06-24
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The 1s and 0s behind cyber warfare | Chris Domas

Chris Domas is a cybersecurity researcher, operating on what's become a new front of war, "cyber." In this engaging talk, he shows how researchers use pattern recognition and reverse engineering (and pull a few all-nighters) to understand a chunk of binary code whose purpose and contents they don't know.
2014-06-30
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How giant websites design for you (and a billion others, too) | Margaret Gould Stewart

Facebook's "like" and "share" buttons are seen 22 billion times a day, making them some of the most-viewed design elements ever created. Margaret Gould Stewart, Facebook's director of product design, outlines three rules for design at such a massive scale?one so big that the tiniest of tweaks can cause global outrage, but also so large that the subtlest of improvements can positively impact the lives of many.
2014-08-05
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A 30-year history of the future | Nicholas Negroponte

MIT Media Lab founder Nicholas Negroponte takes you on a journey through the last 30 years of tech. The consummate predictor highlights interfaces and innovations he foresaw in the 1970s and 1980s that were scoffed at then but are ubiquitous today. And he leaves you with one last (absurd? brilliant?) prediction for the coming 30 years.
2014-07-08
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A Magna Carta for the web | Tim Berners-Lee

Sir Tim Berners-Lee invented the World Wide Web 25 years ago. So it?s worth a listen when he warns us: There?s a battle ahead. Eroding net neutrality, filter bubbles and centralizing corporate control all threaten the web?s wide-open spaces. It?s up to users to fight for the right to access and openness. The question is, What kind of Internet do we want?
2014-08-18
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Don't like clickbait? Don't click | Sally Kohn

Doesn't it seem like a lot of online news sites have moved beyond reporting the news to openly inciting your outrage (and your page views)? News analyst Sally Kohn suggests ? don't engage with news that looks like it just wants to make you mad. Instead, give your precious clicks to the news sites you truly trust.
2014-08-28
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A flying camera ... on a leash | Sergei Lupashin

Let's admit it: aerial photo drones and UAVs are a little creepy, and they come with big regulatory and safety problems. But aerial photos can be a powerful way of telling the truth about the world: the size of a protest, the spread of an oil spill, the wildlife hidden in a delta. Sergei Lupashin demos Fotokite, a nifty new way to see the world from on high, safely and under control.
2014-10-28
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Social maps that reveal a city's intersections ? and separations | Dave Troy

Every city has its neighborhoods, cliques and clubs, the hidden lines that join and divide people in the same town. What can we learn about cities by looking at what people share online? Starting with his own home town of Baltimore, Dave Troy has been visualizing what the tweets of city dwellers reveal about who lives there, who they talk to ? and who they don?t.
2014-12-12
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Got a smartphone? Start broadcasting | Bruno Torturra

In 2011, journalist Bruno Torturra covered a protest in São Paulo which turned ugly. His experience of being teargassed had a profound effect on the way he thought about his work, and he quit his job to focus on broadcasting raw, unedited experiences online. In this fascinating talk, he shares some of the ways in which he's experimented with livestreaming on the web, and how in the process he has helped to create a very modern media network.
2014-12-18
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The wonderful and terrifying implications of computers that can learn | Jeremy Howard

What happens when we teach a computer how to learn? Technologist Jeremy Howard shares some surprising new developments in the fast-moving field of deep learning, a technique that can give computers the ability to learn Chinese, or to recognize objects in photos, or to help think through a medical diagnosis. (One deep learning tool, after watching hours of YouTube, taught itself the concept of "cats.") Get caught up on a field that will change the way the computers around you behave ... sooner than you probably think.
2014-12-16
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Happy maps | Daniele Quercia

Mapping apps help us find the fastest route to where we?re going. But what if we?d rather wander? Researcher Daniele Quercia demos ?happy maps? that take into account not only the route you want to take, but how you want to feel along the way.
2015-01-06
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Why I make robots the size of a grain of rice | Sarah Bergbreiter

By studying the movement and bodies of insects such as ants, Sarah Bergbreiter and her team build incredibly robust, super teeny, mechanical versions of creepy crawlies ? and then they add rockets. See their jaw-dropping developments in micro-robotics, and hear about three ways we might use these little helpers in the future.
2015-01-21
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Online social change: easy to organize, hard to win | Zeynep Tufekci

Today, a single email can launch a worldwide movement. But as sociologist Zeynep Tufekci suggests, even though online activism is easy to grow, it often doesn't last. Why? She compares modern movements -- Gezi, Ukraine, Hong Kong -- to the civil rights movement of the 1960s, and uncovers a surprising benefit of organizing protest movements the way it happened before Twitter.
2015-02-02
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How we found the worst place to park in New York City -- using big data | Ben Wellington

City agencies have access to a wealth of data and statistics reflecting every part of urban life. But as data analyst Ben Wellington suggests in this entertaining talk, sometimes they just don't know what to do with it. He shows how a combination of unexpected questions and smart data crunching can produce strangely useful insights, and shares tips on how to release large sets of data so that anyone can use them.
2015-02-26
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The problem with "trickle-down techonomics" | Jon Gosier

Hooray for technology! It makes everything better for everyone!! Right? Well, no. When a new technology, like ebooks or health trackers, is only available to some people, it has unintended consequences for all of us. Jon Gosier, a TED Fellow and tech investor, calls out the idea of "trickle-down techonomics," and shares powerful examples of how new tech can make things actually worse if it's not equally distributed. As he says, "the real innovation is in finding ways to include everyone."
2015-03-02
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What can save the rainforest? Your used cell phone | Topher White

The sounds of the rainforest include: the chirps of birds, the buzz of cicadas, the banter of gibbons. But in the background is the almost-always present sound of a chainsaw, from illegal loggers. Engineer Topher White shares a simple, scalable way to stop this brutal deforestation ? that starts with your old cell phone.
2015-03-03
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What if 3D printing was 100x faster? | Joseph DeSimone

What we think of as 3D printing, says Joseph DeSimone, is really just 2D printing over and over ... slowly. Onstage at TED2015, he unveils a bold new technique -- inspired, yes, by Terminator 2 -- that's 25 to 100 times faster, and creates smooth, strong parts. Could it finally help to fulfill the tremendous promise of 3D printing?
2015-03-19
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How we're teaching computers to understand pictures | Fei-Fei Li

When a very young child looks at a picture, she can identify simple elements: "cat," "book," "chair." Now, computers are getting smart enough to do that too. What's next? In a thrilling talk, computer vision expert Fei-Fei Li describes the state of the art -- including the database of 15 million photos her team built to "teach" a computer to understand pictures -- and the key insights yet to come.
2015-03-23
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How virtual reality can create the ultimate empathy machine | Chris Milk

Chris Milk uses cutting edge technology to produce astonishing films that delight and enchant. But for Milk, the human story is the driving force behind everything he does. In this short, charming talk, he shows some of his collaborations with musicians including Kanye West and Arcade Fire, and describes his latest, mind-bending experiments with virtual reality. (This talk was part of a session at TED2015 guest-curated by Pop-Up Magazine: popupmagazine.com or @popupmag on Twitter.)
2015-04-22
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What happens when our computers get smarter than we are? | Nick Bostrom

Artificial intelligence is getting smarter by leaps and bounds -- within this century, research suggests, a computer AI could be as "smart" as a human being. And then, says Nick Bostrom, it will overtake us: "Machine intelligence is the last invention that humanity will ever need to make." A philosopher and technologist, Bostrom asks us to think hard about the world we're building right now, driven by thinking machines. Will our smart machines help to preserve humanity and our values -- or will they have values of their own?
2015-04-27
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New video technology that reveals an object's hidden properties | Abe Davis

Subtle motion happens around us all the time, including tiny vibrations caused by sound. New technology shows that we can pick up on these vibrations and actually re-create sound and conversations just from a video of a seemingly still object. But now Abe Davis takes it one step further: Watch him demo software that lets anyone interact with these hidden properties, just from a simple video.
2015-05-05
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My daughter, my wife, our robot, and the quest for immortality | Martine Rothblatt

The founder of Sirius XM satellite radio, Martine Rothblatt now heads up a drug company that makes life-saving medicines for rare diseases (including one drug that saved her own daughter's life). Meanwhile she is working to preserve the consciousness of the woman she loves in a digital file ... and a companion robot. In an onstage conversation with TED's Chris Anderson, Rothblatt shares her powerful story of love, identity, creativity, and limitless possibility.
2015-05-18
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The first secret of design is ... noticing | Tony Fadell

As human beings, we get used to "the way things are" really fast. But for designers, the way things are is an opportunity ... Could things be better? How? In this funny, breezy talk, the man behind the iPod and the Nest thermostat shares some of his tips for noticing -- and driving -- change.
2015-06-03
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This app knows how you feel -- from the look on your face | Rana el Kaliouby

Our emotions influence every aspect of our lives -- how we learn, how we communicate, how we make decisions. Yet they're absent from our digital lives; the devices and apps we interact with have no way of knowing how we feel. Scientist Rana el Kaliouby aims to change that. She demos a powerful new technology that reads your facial expressions and matches them to corresponding emotions. This "emotion engine" has big implications, she says, and could change not just how we interact with machines -- but with each other.
2015-06-15
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How a driverless car sees the road | Chris Urmson

Statistically, the least reliable part of the car is ... the driver. In 2015, Chris Urmson was head of Google's driverless car program, one of several efforts to remove humans from the driver's seat. He shares fascinating footage that shows how the car sees the road and makes autonomous decisions about what to do next.
2015-06-26
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The math behind basketball's wildest moves | Rajiv Maheswaran

Basketball is a fast-moving game of improvisation, contact and, ahem, spatio-temporal pattern recognition. Rajiv Maheswaran and his colleagues are analyzing the movements behind the key plays of the game, to help coaches and players combine intuition with new data. Bonus: What they're learning could help us understand how humans move everywhere.
2015-07-06
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A visual history of human knowledge | Manuel Lima

How does knowledge grow? Sometimes it begins with one insight and grows into many branches; other times it grows as a complex and interconnected network. Infographics expert Manuel Lima explores the thousand-year history of mapping data -- from languages to dynasties -- using trees and networks of information. It's a fascinating history of visualizations, and a look into humanity's urge to map what we know.
2015-08-18
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These robots come to the rescue after a disaster | Robin Murphy

When disaster strikes, who's first on the scene? More and more, it?s a robot. In her lab, Robin Murphy builds robots that fly, tunnel, swim and crawl through disaster scenes, helping firefighters and rescue workers save more lives safely -- and help communities return to normal up to three years faster.
2015-08-27
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This telescope might show us the beginning of the universe | Wendy Freedman

When and how did the universe begin? A global group of astronomers wants to answer that question by peering as far back in time as a large new telescope will let us see. Wendy Freedman headed the creation of the Giant Magellan Telescope, under construction in South America; at TEDGlobal in Rio, she shares a bold vision of the discoveries about our universe that the GMT could make possible.
2015-08-31
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En liten tjänst av I'm With Friends. Finns även på engelska.
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